Home / 45,393.05-68,091.40-15,813.88

Finding the Fourth Proportional to 45,393.05, 68,091.40 and 15,813.88

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Solution

The fourth proportional to 45,393.05, 68,091.40 and 15,813.88 is: 23,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.05 : 68,091.40 = 15,813.88 : x
  2. Step 2: Convert to fraction form
    45,393.05/68,091.40 = 15,813.88/x
  3. Step 3: Cross multiply
    45,393.05x = 68,091.40 × 15,813.88
  4. Step 4: Simplify right side
    45,393.05x = 1,076,788,888.18
  5. Step 5: Solve for x
    x = 1,076,788,888.18/45,393.05
  6. Step 6: Final answer
    x = 23,721.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.